Transfer Functions $...$

A$)$ Can be used to predict the mean response and standard deviation of our $Y$

B$)$ Describe the relationship between our Input $x$ and output $Y$

C$)$ Can be used to help set up specifications for our $x\text{'}$s

D$)$ Can be used to predict process capability of our $Y$ based on our $x\text{'}$s

E$)$ All of the Above